A layer of oil 3 cm thick is floating on a layer of coloured water 5 cm thick. Refractive index of coloured water is `5//3` and the apparent depth of the two liquids appears to be `36//7`cm. Find the refractive index of oil.

A layer of oil 3 cm thick is flowing on a layer of coloured wtater 5 cm thick. Refractive index of coloured water is (5)/(3) and the apparent depth of the two liquids appears to be (36)/(7) cm . What is the refractive index of oil?

A layer of oil 3 cm thick is flowing on a layer of coloured wtater 5 cm thick. Refractive index of coloured water is (5)/(3) and the apparent depth of the two liquids appears to be (36)/(7) cm . What is the refractive index of oil?

A water pond appears to be 2*7m dep. If the refractive index of water is 4//3 , find the actual depth of the pond.

A pond appears to be 2.7 m deep. If the refractive index of water is 4/3 , find the actual depth of the pond.

The apparent depth of a liquid in a vessel is 15 cm, when its real depth is 20 cm. find the refractive index of the liquid.

A coin placed at the bottom of a beaker appears to be raised by 4.0 cm. If the refractive index of water is 4/3, find the depth of the water in the beaker.